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. 2015 Mar 11;6(2):103–133. doi: 10.1080/21645698.2015.1025193
  Total cotton area in GM IR growing countries excluding Burkina Faso, India, Pakistan, Burma and China (million ha) GM IR area excluding Burkina Faso, India, Pakistan, Burma and China (million ha) Total spray runs saved (million ha) Fuel saving (million liters) CO2 emissions saved (million kg)
1996 6.64 0.86 3.45 2.90 7.73
1997 6.23 0.92 3.67 3.09 8.24
1998 7.20 1.05 4.20 3.53 9.43
1999 7.42 2.11 8.44 7.09 18.92
2000 7.29 2.43 9.72 8.17 21.81
2001 7.25 2.55 10.18 8.55 22.84
2002 6.36 2.17 8.69 7.30 19.49
2003 5.34 2.17 8.70 7.30 19.50
2004 6.03 2.79 11.17 9.38 25.05
2005 6.34 3.21 12.84 10.78 28.79
2006 7.90 3.94 15.75 13.23 35.33
2007 6.07 3.25 12.99 10.91 29.14
2008 4.51 2.54 10.16 8.53 22.78
2009 5.33 2.96 11.83 9.94 26.54
2010 7.13 4.59 18.37 15.43 41.21
2011 6.61 4.43 17.71 14.87 39.71
2012 5.72 4.03 16.11 13.53 36.12
2013 5.35 3.80 15.21 12.77 34.10
Total     199.19 167.32 446.73

Note: assumptions: 4 tractor passes per ha, 0.84 liters/ha of fuel per insecticide application